A topological degree approach to sublinear systems of second order differential equations

被引：0
|
作者：
Capietto, A [1 ]
Dambrosio, W [1 ]
机构：
[1] Univ Turin, Dipartimento Matemat, I-10123 Turin, Italy
来源：
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS | 2000年 / 6卷 / 04期
关键词：
sublinear problems; radial solutions; continuation theorem;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper we study the existence of radial solutions to sublinear systems of elliptic equations. We first give a multiplicity result on solutions with prescribed nodal properties; then, we show the existence of positive solutions. The proofs are based on topological degree arguments.
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页码：861 / 874
页数：14
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